112861399 has 4 divisors (see below), whose sum is σ = 128984464. Its totient is φ = 96738336.

The previous prime is 112861393. The next prime is 112861409. The reversal of 112861399 is 993168211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112861399 - 2⁷ = 112861271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112861393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8061522 + ... + 8061535.

It is an arithmetic number, because the mean of its divisors is an integer number (32246116).

Almost surely, 2^112861399 is an apocalyptic number.

112861399 is a deficient number, since it is larger than the sum of its proper divisors (16123065).

112861399 is an equidigital number, since it uses as much as digits as its factorization.

112861399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16123064.

The product of its digits is 23328, while the sum is 40.

The square root of 112861399 is about 10623.6245697973. The cubic root of 112861399 is about 483.2610684931.

The spelling of 112861399 in words is "one hundred twelve million, eight hundred sixty-one thousand, three hundred ninety-nine".